Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Hydrogenation Fermentation None of these Oxidation Hydrogenation Fermentation None of these Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value is the highest out of the following for Coke oven gas Blast furnace gas Water gas Producer gas Coke oven gas Blast furnace gas Water gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the All of these Increase in gas pressure Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air All of these Increase in gas pressure Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a product of tar distillation? Benzol & pitch Phenol & naphthalene Anthracene & creosote None of these Benzol & pitch Phenol & naphthalene Anthracene & creosote None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Neither A nor B Higher calorific value Lower hydrogen content Both A & B Neither A nor B Higher calorific value Lower hydrogen content Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Supplying correct amount of combustion air Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel Supplying correct amount of combustion air Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
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